Dell Force10 Z9000 FTOS Configuration Guide for Z9000 System - Page 151

To establish sessions with all VRRP neighbors: Step 1 Task Establish sessions with all VRRP neighbors. Command Syntax vrrp bfd all-neighbors Command Mode INTERFACE Establishing VRRP sessions on VRRP neighbors The master router does not care about the state of the backup router, so it does not participate in any VRRP BFD sessions. Therefore, VRRP BFD sessions on the backup router cannot change to the UP state. The master router must be configured to establish an individual VRRP session the backup router. To establish a session with a particular VRRP neighbor: Step 1 Task Establish a session with a particular VRRP neighbor. Command Syntax vrrp bfd neighbor ip-address Command Mode INTERFACE View the established sessions using the command show bfd neighbors, as shown in the following example. Figure 7-23. Viewing Established Sessions for VRRP Neighbors R1(conf-if-gi-4/25)#vrrp bfd all-neighbors R1(conf-if-gi-4/25)#do show bfd neighbor * Ad Dn C I O R V - Active session role - Admin Down - CLI - ISIS - OSPF - Static Route (RTM) - VRRP VRRP BFD Sessions LocalAddr * 2.2.5.1 RemoteAddr 2.2.5.2 Interface State Rx-int Tx-int Mult Clients Gi 4/25 Down 1000 1000 3 V Session state information is also shown in the show vrrp command output, as shown in the following example. Bidirectional Forwarding Detection (BFD) | 151